Article: The Most Useful Frequent Flyer Tools & Apps

eSIMs: everyone keeps saying esims are the way to go. We bought one before going to Costa Rica and were led to believe the activation process was quick and easy. We did ask neighbour kpc who said it could be fiddly. How wrong and frustrating for oldie dummies like us! When we arrived in CR, nothing worked - we were on whatsapp to airlo for hours and wasted hours. We gave up, forgo the cost, took an uber into town and got a physical sim - it worked like a charm for us, no hassle whatsoever. Maybe some day someone will teach us how to use esims 🙏🏻
Yes, they can be fiddly first time.

It’s very important to install them while you’re on stable wifi otherwise the installation process can hang (get stuck). Otherwise, they’re generally straightforward to install but it pays to carefully read the installation and setup instructions.

Also, it’s usually best to install them before you leave home and then activate the plan when you arrive. If the plan duration is longer than your trip, then activate before you take off! It ought to be good to go when you land.

Phone settings can vary across types but there are controls for switching data to the eSIM while leaving calls to your home sim (just make sure you have Data Roaming turned OFF on the home line and turned ON for the eSIM).
 
Yes, they can be fiddly first time.

It’s very important to install them while you’re on stable wifi otherwise the installation process can hang (get stuck). Otherwise, they’re generally straightforward to install but it pays to carefully read the installation and setup instructions.

Also, it’s usually best to install them before you leave home and then activate the plan when you arrive. If the plan duration is longer than your trip, then activate before you take off! It ought to be good to go when you land.

Phone settings can vary across types but there are controls for switching data to the eSIM while leaving calls to your home sim (just make sure you have Data Roaming turned OFF on the home line and turned ON for the eSIM).
I found I wasn’t match this trip because I could not remember where to turn on roaming on my iPhone but eventually worked it out
 
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I found I wasn’t match this trip because I could not remember where to turn on roaming on my iPhone but eventually worked it out
OT, but I suspect this trips up people the first time. If you only have a physical SIM installed, on iPhones the Mobile settings menu looks a certain way, but as soon as you have two or more SIMs installed the menu is different. You have new settings to set which line for voice and which line for data. You can toggle individual lines on/off and set Data Roaming On/Off per line. Many of those are irrelevant when you only have one SIM, so I assume iOS by design just defaults to a single set of “master” controls - Flight Mode, Data Roaming On/Off etc.

For first timers, perhaps see if you can get a freebie Global plan that works in Oz. Have a crack at installing the eSIM while still at home and play around to see how the settings work (but don’t burn all that free data in one go!).

There’s a thread for tips and advice here:
 
Yes, they can be fiddly first time.

It’s very important to install them while you’re on stable wifi otherwise the installation process can hang (get stuck). Otherwise, they’re generally straightforward to install but it pays to carefully read the installation and setup instructions.

Also, it’s usually best to install them before you leave home and then activate the plan when you arrive. If the plan duration is longer than your trip, then activate before you take off! It ought to be good to go when you land.

Phone settings can vary across types but there are controls for switching data to the eSIM while leaving calls to your home sim (just make sure you have Data Roaming turned OFF on the home line and turned ON for the eSIM).
Thanks, SYD. We did take the phone into a phone shop in Costa Rica to ask them to help us activating the eSIM. They tried for 15 mins and shook their heads - so that was it 😠. Both of us read the instructions on YouTube and those sent to us via WhatsApp numerous times, but still could not get the activation to work. We will probably need a young person showing us 'in person' how to do it - it could be a setting which needed to turn on / off.
 
Thanks, SYD. We did take the phone into a phone shop in Costa Rica to ask them to help us activating the eSIM. They tried for 15 mins and shook their heads - so that was it 😠. Both of us read the instructions on YouTube and those sent to us via WhatsApp numerous times, but still could not get the activation to work. We will probably need a young person showing us 'in person' how to do it - it could be a setting which needed to turn on / off.
Yeah, that would be a pain. I’ve had some problematic ones but usually get them going (and have provided tech support to my partner when on travel!). I’m not exactly young although an engineering background helps but shouldn’t be essential!

Next time you’re heading OS, jump on the other eSIM thread and I’m sure one of us can help with good options to use and any tricks and traps for use.
 
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Some great member tips and suggestions in this thread. 👍

Is seats.aero really a substitute for expert flyer?

There are so many resources on EF like MCT, interline info, fare rules etc

So, this is what I actually wrote in the article:

In my opinion, at some point in the not-too-distant future, Seats.aero has the potential to replace ExpertFlyer as the go-to source of information for frequent flyers.

Seats.aero is not yet a complete substitute for ExpertFlyer, but over time it has been adding more and more functionality that overlaps what ExpertFlyer offers. If this trend continues, then at some point I think it could replace it. But not just yet.
 
The Tools & Apps in My Frequent Flyer Toolkit for 2025 is an article written by the AFF editorial team:


You can leave a comment or discuss this topic below.
Whatever happened to Rome2Rio - it has been my go-to app since we started seriously travelling what seems like eons ago…
 
OT, but I suspect this trips up people the first time. If you only have a physical SIM installed, on iPhones the Mobile settings menu looks a certain way, but as soon as you have two or more SIMs installed the menu is different. You have new settings to set which line for voice and which line for data. You can toggle individual lines on/off and set Data Roaming On/Off per line. Many of those are irrelevant when you only have one SIM, so I assume iOS by design just defaults to a single set of “master” controls - Flight Mode, Data Roaming On/Off etc.
Yes, that’s exactly what confused me the first time; especially as the eSim didn’t install properly the first time. And the person I was texting for help was instructing per the altered iPhone look, not the pristine one that I was looking at.

As you have a lot of experience with eSIMs, I wonder if you might list the one or two here that you think are easiest to install and run. For me as you know it’s Kolet.
 
Yes, that’s exactly what confused me the first time; especially as the eSim didn’t install properly the first time. And the person I was texting for help was instructing per the altered iPhone look, not the pristine one that I was looking at.

As you have a lot of experience with eSIMs, I wonder if you might list the one or two here that you think are easiest to install and run. For me as you know it’s Kolet.
Slightly OT but relevant here: I've used Airalo eSIMS a few times now, and they've certainly improved the "walk-through" setup process over the past couple of years. Not had any issues with activation (as mentioned, set it up at home on wifi before you go, and turn on when wheels hit the ground!), and learned to be patient at the destination as it can take a little while to find the network and get on board. Generally these kind of 3rd-party eSIMS are "secondary" level connections on the main telco's network, and so connections aren't necessarily immediate and can take a little finessing. But never had a problem thus far.
[I also have a UK O2 physical PAYG SIM I've retained for the contact number and revitalised over the past decade or so - great as O2 has fee-free Europe roaming. What I have found is sometimes you have to turn off Automatic choice of network and manually pick one the phone finds to get it to connect - I assume access contracts come and go between telcos roaming across countries...]
 
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In the broader context of eSIMs, I forgot to mention earlier eSIMDB. Not an app as such (or is there one?), but a very useful search tool.

Note: note all providers appear and I’d caution against just going for the cheapest - mainly on privacy grounds but also probably performance.
As you have a lot of experience with eSIMs, I wonder if you might list the one or two here that you think are easiest to install and run. For me as you know it’s Kolet.
Yes, I was quite impressed with Kolet during my last trip to Europe.

Keeping in context with the thread, an eSIM provider with a good app that manages eSIM installation, purchasing and activation of plans is a winner.

There seems to be literally hundreds of eSIM providers now. Where they’re based and where your data gets routed can be a bit murky so I tend to stick to “name” brands.

Kolet - a new kid on the block. French based but good Euro coverage (and beyond) and reasonably priced. App is good and worked seamlessly for me with fast 5G coverage.

Airalo - has a decent app BUT what I don’t like is the need to install a seperate eSIM per plan. There are some great “advanced” user capability (ie Telstra customers who can hotwire “wifi calling”) but for the majority, it’s just a PITA. If their plan is price competitive, I’ll take it, but happy to go elsewhere.

Note: Airalo do have some country plans that include a local number, calls and text - which is rare.

Flexiroam - app used to be better but was “enhanced” and not in a good way but once you’ve installed the eSIM you can add and use plans on the go. Functionally, it’s my “go to” eSIM, but as mentioned earlier, it’s a bit pricier - keep an eye out for Sales.

Note: 28° MC holders get an annual freebie global plan and ongoing 15% discount.

Eskimo - there’s an ongoing freebie global plan offer that everyone should get.
a. It’s free, and
b. It runs for 2yrs (always handy to have a “global” plan in your back pocket if you’re just bouncing through somewhere and don’t really need/want to buy an expensive local plan).
The app is pretty straightforward but their plans are bit pricy. However, the long validity is relatively unique.

Ubigi - popular for use in Japan but has come in handy elsewhere. Middle of the road pricing. The app is a bit clunky.

Monty - one of the cheaper options but requires a seperate eSIM per plan type. Otherwise works ok but I was concerned on one trip that my browser at one point thought I was in China…😳

Saily - heavily promoted by “effluencers” because they offer unlimited data plans (not unique, Flexiroam and others do also), but be prepared to pay a shedload. Otherwise, the app works well and there are capped plans that aren’t too expensive (but probably better value elsewhere).

Truphone - one of the first (and the first eSIM I used circa 2018 in Sth Africa). They used to be reasonably priced but a bit more expensive but that can vary. They do charge in AUD if you preorder before leaving Oz however.

Just remember, no one size fits all.

Those listed generally provide 5G access or at least LTE. Some are better than others at telling you what network(s) they use and speed.

Most eSIM providers offer single Country plans, Regional Plans (eg Europe, Asia, Africa) and Global. You can usually stack multiple overlapping plans if you’re moving around - rather than just get one more expensive Global plan.

Not all “Global” plans are created equally. Check carefully if the country/ies your visiting is/are included!

I’m seeing more providers offering auto activation on arrival - so all the more reason to install your eSIM before you fly (but over stable wifi). You can also buy and install over hotel wifi while away of course).
 

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